Water-treatment device



FIG. 1 is a perspective view of a water-treatment device showing my new design as viewed from a front top side of the water-treatment device;

FIG. 2 is a perspective view of the water-treatment device shown in FIG. 1 as viewed from a rear bottom side of the water-treatment device;

FIG. 3 is a top view of the water-treatment device shown in FIG. 1;

FIG. 4 is a bottom view of the water-treatment device shown in FIG. 1;

FIG. 5 is a left-side view of the water-treatment device shown in FIG. 3;

FIG. 6 is a right-side view of the water-treatment device shown in FIG. 3;

FIG. 7 is a frontal view of the water-treatment device shown in FIG. 3; and,

FIG. 8 is a rear view of the water-treatment device shown in FIG. 3.

The broken lines shown in the drawings illustrate portions of the water-treatment device that forms no part of the claimed design. 

CLAIM The ornamental design for a water-treatment device, as shown and described. 